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Load data for .300 Blaser Mag + .308 | 180gr | MAKER Expanding Subsonic

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 Blaser Mag + .308 | 180gr | MAKER Expanding Subsonic

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | MAKER Expanding Subsonic
Manufacturer SKU:
308-180G-EXP
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
92.4 Grains of Water | 6.00 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B12325_C351
Last updated:
2026-04-03

Load data for 154 loads in caliber .300 Blaser Mag with .308 | 180gr | MAKER Expanding Subsonic bullet and 77 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

    .

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Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
84%
54752
90%
**22
100%
ADI AR 2209
<<locked>>
94%
54578
90%
**17
98%
ADI AR 2213
<<locked>>
97%
53519
88%
**27
97%
[ADI AR 2217]*
<<locked>>
97%
39044
64%
**25
93%
[ADI AR 2225]*
<<locked>>
97%
34360
56%
**69
94%
Accurate 2700
<<locked>>
84%
54795
90%
**85
99%
Accurate 3100
<<locked>>
97%
52924
87%
**41
100%
Accurate 4350
<<locked>>
89%
54549
90%
**77
100%
Accurate MAGPRO
<<locked>>
97%
52083
86%
**13
95%
Alliant Reloder-16
<<locked>>
90%
54172
89%
**13
100%
Alliant Reloder-17
<<locked>>
86%
54244
89%
**20
100%
Alliant Reloder-19
<<locked>>
94%
54288
89%
**04
98%
Alliant Reloder-22
<<locked>>
97%
52707
87%
**17
98%
Alliant Reloder-23
<<locked>>
97%
49705
82%
**44
100%
Alliant Reloder-25
<<locked>>
97%
43076
71%
**79
99%
Alliant Reloder-26 👍
<<locked>>
95%
54114
89%
**02
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
52692
87%
**25
93%
Bofors RP15
<<locked>>
97%
48385
79%
**41
97%
[Bofors RP30]*
<<locked>>
97%
39421
65%
**90
94%
Bofors RP5
<<locked>>
97%
52707
87%
**17
98%
Bofors RP7
<<locked>>
87%
54578
90%
**28
99%
[Hodgdon H1000]*
<<locked>>
97%
39044
64%
**25
93%
Hodgdon H414
<<locked>>
85%
54331
89%
**97
99%
Hodgdon H4350
<<locked>>
92%
54447
89%
**48
99%
Hodgdon H4831
<<locked>>
97%
49124
81%
**92
95%
Hodgdon H4831 SC
<<locked>>
96%
54563
90%
**90
97%
Hodgdon Hybrid 100V
<<locked>>
92%
54578
90%
**44
100%
Hodgdon LVR
<<locked>>
87%
54346
89%
**74
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34360
56%
**69
94%
Hodgdon Superperformance
<<locked>>
87%
54288
89%
**27
99%
Hodgdon VARGET
<<locked>>
84%
54752
90%
**22
100%
Hodgdon TrailBoss
<<locked>>
97%
35056
58%
**59
100%
IMR 4064
<<locked>>
84%
54476
89%
**02
100%
IMR 4166 Enduron
<<locked>>
85%
54476
89%
**02
99%
IMR 4350
<<locked>>
90%
54752
90%
**48
99%
IMR 4451 Enduron
<<locked>>
86%
54650
90%
**38
99%
IMR 4831 👍
<<locked>>
94%
54592
90%
**64
100%
IMR 4955 Enduron
<<locked>>
97%
54708
90%
**58
97%
IMR 7828 SSC
<<locked>>
97%
54302
89%
**53
97%
Lovex S065
<<locked>>
88%
54462
89%
**28
100%
Lovex S070
<<locked>>
89%
54201
89%
**44
99%
Lovex S071
<<locked>>
97%
44077
72%
**84
99%
Norma 204
<<locked>>
90%
54462
89%
**84
98%
Norma MRP
<<locked>>
96%
54433
89%
**82
99%
Norma URP
<<locked>>
90%
54679
90%
**81
100%
Ramshot Grand
<<locked>>
95%
54346
89%
**63
98%
Ramshot Hunter 👍
<<locked>>
90%
54331
89%
**94
100%
Ramshot Magnum
<<locked>>
97%
51053
84%
**81
99%
ReloadSwiss RS 14
<<locked>>
96%
35766
59%
**98
100%
ReloadSwiss RS 60
<<locked>>
84%
54665
90%
**27
100%
ReloadSwiss RS 62
<<locked>>
89%
54375
89%
**00
100%
ReloadSwiss RS 70
<<locked>>
90%
54563
90%
**49
100%
ReloadSwiss RS 76
<<locked>>
97%
41843
69%
**85
97%
Rottweil R 903
<<locked>>
84%
54621
90%
**25
100%
Rottweil R 904
<<locked>>
93%
54389
89%
**54
97%
Rottweil R 905
<<locked>>
95%
53983
89%
**00
99%
Rottweil R 907
<<locked>>
87%
54578
90%
**28
99%
SNPE Vectan SP 11
<<locked>>
83%
54520
90%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
54230
89%
**94
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
54041
89%
**76
99%
Shooters World Long Rifle
<<locked>>
88%
54462
89%
**28
100%
Somchem S355
<<locked>>
84%
54708
90%
**25
100%
Somchem S361
<<locked>>
92%
54389
89%
**22
97%
Somchem S365
<<locked>>
91%
54259
89%
**84
100%
Somchem S385
<<locked>>
95%
54462
89%
**67
99%
Vihtavuori N135
<<locked>>
85%
53940
89%
**23
100%
Vihtavuori N150
<<locked>>
89%
54302
89%
**76
100%
Vihtavuori N160
<<locked>>
87%
54534
90%
**41
100%
Vihtavuori N165
<<locked>>
97%
49110
81%
**69
98%
Vihtavuori N550
<<locked>>
87%
54752
90%
**87
100%
Vihtavuori N555 👍
<<locked>>
96%
54781
90%
**13
100%
Vihtavuori N560
<<locked>>
97%
52576
86%
**36
97%
Vihtavuori N565
<<locked>>
97%
45078
74%
**89
95%
Winchester 6.5 StaBALL
<<locked>>
89%
54766
90%
**25
100%
Winchester 760
<<locked>>
85%
54331
89%
**97
99%
Winchester StaBALL HD 👍
<<locked>>
97%
44962
74%
**10
100%
Winchester Supreme 780
<<locked>>
94%
54781
90%
**64
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50821
83%
**53
100%
[ADI AR 2209]*
<<locked>>
81%
35317
58%
**20
93%
[ADI AR 2213]*
<<locked>>
84%
34592
57%
**16
90%
[ADI AR 2217]*
<<locked>>
93%
34606
57%
**10
90%
[ADI AR 2225]*
<<locked>>
91%
29138
48%
**02
90%
Accurate 2700
<<locked>>
81%
48849
80%
**90
98%
[Accurate 3100]*
<<locked>>
81%
31024
51%
**95
94%
Accurate 4350
<<locked>>
81%
42076
69%
**67
99%
[Accurate MAGPRO]*
<<locked>>
89%
38899
64%
**57
90%
Alliant Reloder-16
<<locked>>
81%
40379
66%
**64
99%
Alliant Reloder-17
<<locked>>
81%
46195
76%
**92
100%
[Alliant Reloder-19]*
<<locked>>
81%
35317
58%
**20
93%
[Alliant Reloder-22]*
<<locked>>
81%
31024
51%
**44
91%
Alliant Reloder-23
<<locked>>
81%
29762
49%
**28
98%
[Alliant Reloder-25]*
<<locked>>
81%
26121
43%
**10
91%
Alliant Reloder-26
<<locked>>
81%
32082
53%
**49
97%
[Baschieri & Pellagri 109]*
<<locked>>
91%
43772
72%
**54
90%
[Bofors RP15]*
<<locked>>
83%
30458
50%
**31
90%
[Bofors RP30]*
<<locked>>
91%
32663
54%
**23
90%
[Bofors RP5]*
<<locked>>
81%
31024
51%
**44
91%
Bofors RP7
<<locked>>
81%
45513
75%
**74
98%
[Hodgdon H1000]*
<<locked>>
93%
34606
57%
**10
90%
Hodgdon H414
<<locked>>
81%
47630
78%
**79
99%
Hodgdon H4350
<<locked>>
81%
39044
64%
**59
96%
[Hodgdon H4831]*
<<locked>>
86%
35230
58%
**93
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
35230
58%
**93
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37811
62%
**56
100%
Hodgdon LVR
<<locked>>
81%
44556
73%
**10
99%
[Hodgdon Retumbo]*
<<locked>>
91%
29138
48%
**02
90%
Hodgdon Superperformance
<<locked>>
81%
42670
70%
**26
97%
Hodgdon VARGET
<<locked>>
81%
50169
82%
**49
100%
Hodgdon TrailBoss
<<locked>>
81%
27934
46%
**08
100%
IMR 4064
<<locked>>
81%
49864
82%
**36
100%
IMR 4166 Enduron
<<locked>>
81%
48530
80%
**03
99%
IMR 4350
<<locked>>
81%
40770
67%
**95
96%
IMR 4451 Enduron
<<locked>>
81%
47007
77%
**03
98%
IMR 4831
<<locked>>
81%
36201
59%
**23
98%
[IMR 4955 Enduron]*
<<locked>>
82%
34113
56%
**38
90%
[IMR 7828 SSC]*
<<locked>>
83%
34563
57%
**33
90%
Lovex S065
<<locked>>
81%
44425
73%
**48
99%
Lovex S070
<<locked>>
81%
42583
70%
**31
98%
[Lovex S071]*
<<locked>>
81%
26600
44%
**70
92%
Norma 204
<<locked>>
81%
40698
67%
**28
95%
[Norma MRP]*
<<locked>>
81%
32198
53%
**10
93%
Norma URP
<<locked>>
81%
41365
68%
**51
99%
[Ramshot Grand]*
<<locked>>
82%
34084
56%
**33
90%
Ramshot Hunter
<<locked>>
81%
40190
66%
**41
98%
[Ramshot Magnum]*
<<locked>>
82%
29153
48%
**85
90%
ReloadSwiss RS 14
<<locked>>
81%
28601
47%
**50
100%
ReloadSwiss RS 60
<<locked>>
81%
49023
80%
**38
100%
ReloadSwiss RS 62
<<locked>>
81%
41669
68%
**80
99%
ReloadSwiss RS 70
<<locked>>
81%
40205
66%
**90
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
29544
48%
**41
90%
Rottweil R 903
<<locked>>
81%
49182
81%
**43
100%
[Rottweil R 904]*
<<locked>>
81%
36738
60%
**10
92%
[Rottweil R 905]*
<<locked>>
81%
34142
56%
**97
93%
Rottweil R 907
<<locked>>
81%
45513
75%
**74
98%
SNPE Vectan SP 11
<<locked>>
81%
50401
83%
**95
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50082
82%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43424
71%
**95
98%
Shooters World Long Rifle
<<locked>>
81%
44425
73%
**48
99%
Somchem S355
<<locked>>
81%
49197
81%
**36
100%
[Somchem S361]*
<<locked>>
81%
37391
61%
**97
91%
Somchem S365
<<locked>>
81%
37753
62%
**08
100%
[Somchem S385]*
<<locked>>
81%
35012
57%
**87
94%
Vihtavuori N135
<<locked>>
81%
47892
79%
**35
100%
Vihtavuori N150
<<locked>>
81%
42250
69%
**82
100%
Vihtavuori N160
<<locked>>
81%
44701
73%
**84
100%
[Vihtavuori N165]*
<<locked>>
81%
29254
48%
**36
91%
Vihtavuori N550
<<locked>>
81%
45078
74%
**23
100%
Vihtavuori N555
<<locked>>
81%
33156
54%
**03
98%
[Vihtavuori N560]*
<<locked>>
84%
35012
57%
**66
90%
[Vihtavuori N565]*
<<locked>>
89%
33968
56%
**36
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41800
69%
**15
100%
Winchester 760
<<locked>>
81%
47630
78%
**79
99%
Winchester StaBALL HD
<<locked>>
81%
23859
39%
**08
97%
[Winchester Supreme 780]*
<<locked>>
81%
34548
57%
**80
93%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

<<locked>>... you need to buy an access license to unlock the data

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